[    1.964296] ip (246) used greatest stack depth: 12240 bytes left
[   17.057060] mpls_gso: MPLS GSO support
[ 1180.032530] blackhole_netdev_xmit(): Dropping skb.
[ 1180.032611] blackhole_netdev_xmit(): Dropping skb.
[ 1180.032646] blackhole_netdev_xmit(): Dropping skb.
[ 1180.032682] blackhole_netdev_xmit(): Dropping skb.
[ 1206.455414] blackhole_netdev_xmit(): Dropping skb.
[ 1206.455478] blackhole_netdev_xmit(): Dropping skb.
[ 1206.455509] blackhole_netdev_xmit(): Dropping skb.
[ 1206.455541] blackhole_netdev_xmit(): Dropping skb.